There's an old rule of thumb that says rock stars appeal mostly to guys and pop stars appeal mostly to girls. If that's the case, where do you stick an act like Daughtry, a rock band whose records don't get played on rock radio but whose 2006 debut has sold more, at 4.5 million copies, than almost any other rock album of the past three years?

Flo Rida seems to have a knack for getting a nation under his groove. After urging masses of clubgoers last year to get Low on the dance floor, he's turning heads again with the download record-busting Right Round from his new album, R.O.O.T.S. (Route of Overcoming the Struggle)(* * * out of four).

Tonight's big TV event is likely to be big indeed: Fox's 2-hour special Idol Gives Back (7:30 ET/PT), and those who want to set their recorders will want to note the early start time. Among those expected to appear on the charity fundraiser are Forest Whitaker, Bono, Brad Pitt, Eli Manning, Peyton Manning, Reese Witherspoon, Celine Dion, Annie Lennox, Miley Cyrus, Mariah Carey, Billy Crystal, Kiefer Sutherland, Amy Adams, Vanessa Hudgens, Ashley Tisdale and such returning Idols as Fantasia, Chris Daughtry and Carrie Underwood. Which means, by the way, that the regular Idol eliminations have been pushed to Thursday.

For longtime Van Halen fans, question marks were answered during the band's reunion kickoff show in Charlotte Thursday night. First to take the stage, Eddie, 52, emerged clean-cut, bare-chested and buff and fired off some Eruption-era riffs to a rowdy and affectionate reception from a standing crowd.

Q.Who is the blonde woman in the 1998 Gap swing dancing ad for Khaki pants that's posted on YouTube? She's the main dancer of several whose moves are frozen in time as Jump, Jive An' Wailplays. Has she been in other ads or in films?

Gary Marsh has a 9-year-old acquaintance, the daughter of a very good friend, who just might be the most powerful pre-teen in the music industry. "I don't tell her that, but yeah," says Disney Channel Worldwide's president of entertainment. "She has watched every musical artist come through our door.